Smart-BT-Measure is a Bluetooth 4.0 connected digital multimeter software. It can used to display measurements taken by different VoltCraft digital multimeter on a mobile device with Apple iOS. Smart-BT-Measure support following devices: - BB500 (Natively) - VC595 (Natively) - VC890 (with BLE Adapter -- VC810) - VC880 (with BLE Adapter -- VC810) - VC870 (with BLE Adapter -- VC810) - VC850 (with BLE Adapter -- VC810) - VC830 (with BLE Adapter -- VC810) Features - Live reading display - Real Time / offline graphic / table display of reading - Export reading - Multimeter control (if device support) Compatibility iPhone 4S, iPhone 5, iPhone5S, iPhone 5C iPod Touch 5th generation iPad 3rd generation (New iPad) iPad mini Requirement iOS 7.0 or later BT 4.0